Decoded: What is a PUSA decomposer? How can it discourage stubble burning?

Every year, over 5.7 million acres of paddy stubble is burned on farms in Punjab and Haryana, leading to severe environmental issues

The newly formed Commission for Air Quality Management (CAQM) said on Wednesday that the northern Indian states of Punjab, Haryana and Uttar Pradesh have prepared detailed action plans to tackle stubble burning in the coming winter season with likely increased use of the bio-decomposer solution developed by the Indian Agriculture Research Institute (IARI) in Pusa.

The Commission said the plans lay down that bio-decomposer solutions will be used in over 6 lakh acres in UP, 1 lakh acre in Haryana and 7413 acres in Punjab, while the national capital of Delhi will spray over 4000 acres of land.

So how